X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbglblt8.c;fp=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbglblt8.c;h=0000000000000000000000000000000000000000;hp=5125dddb1ccf4f88ff88cdfd9564b5a249b4f01d;hb=ce66b81460e5353db09d45c02339d4583fbda255;hpb=7772d71ffd742cfc9b7ff214659d16c5bb56a391 diff --git a/Xserver/programs/Xserver/cfb/cfbglblt8.c b/Xserver/programs/Xserver/cfb/cfbglblt8.c deleted file mode 100644 index 5125ddd..0000000 --- a/Xserver/programs/Xserver/cfb/cfbglblt8.c +++ /dev/null @@ -1,465 +0,0 @@ -/* $XConsortium: cfbglblt8.c,v 5.31 94/04/17 20:28:51 dpw Exp $ */ -/* $XFree86: xc/programs/Xserver/cfb/cfbglblt8.c,v 3.1 1996/08/13 11:27:34 dawes Exp $ */ -/* - -Copyright (c) 1989 X Consortium - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of the X Consortium shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from the X Consortium. -*/ - -/* - * Poly glyph blt. Accepts an arbitrary font <= 32 bits wide, in Copy mode - * only. - */ - -#include "X.h" -#include "Xmd.h" -#include "Xproto.h" -#include "cfb.h" -#include "fontstruct.h" -#include "dixfontstr.h" -#include "gcstruct.h" -#include "windowstr.h" -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "regionstr.h" -#include "cfbmskbits.h" -#include "cfb8bit.h" - -#define BOX_OVERLAP(box1, box2, xoffset, yoffset) \ - ((box1)->x1 <= ((int) (box2)->x2 + (xoffset)) && \ - ((int) (box2)->x1 + (xoffset)) <= (box1)->x2 && \ - (box1)->y1 <= ((int) (box2)->y2 + (yoffset)) && \ - ((int) (box2)->y1 + (yoffset)) <= (box1)->y2) - -#define BOX_CONTAINS(box1, box2, xoffset, yoffset) \ - ((box1)->x1 <= ((int) (box2)->x1 + (xoffset)) && \ - ((int) (box2)->x2 + (xoffset)) <= (box1)->x2 && \ - (box1)->y1 <= ((int) (box2)->y1 + (yoffset)) && \ - ((int) (box2)->y2 + (yoffset)) <= (box1)->y2) - -#if defined(FOUR_BIT_CODE) || defined(WriteBitGroup) && !defined(GLYPHROP) - -#if GLYPHPADBYTES != 4 -#define USE_LEFTBITS -#endif - -#ifdef USE_LEFTBITS -typedef unsigned char *glyphPointer; -extern unsigned long endtab[]; - -#define GlyphBits(bits,width,dst) getleftbits(bits,width,dst); \ - (dst) &= widthMask; \ - (bits) += widthGlyph; -#define GlyphBitsS(bits,width,dst,off) GlyphBits(bits,width,dst); \ - dst = BitRight (dst, off); -#else -typedef CARD32 *glyphPointer; - -#define GlyphBits(bits,width,dst) dst = *bits++; -#define GlyphBitsS(bits,width,dst,off) dst = BitRight(*bits++, off); -#endif - -#ifdef GLYPHROP -#define cfbPolyGlyphBlt8 cfbPolyGlyphRop8 -#define cfbPolyGlyphBlt8Clipped cfbPolyGlyphRop8Clipped - -#undef WriteBitGroup -#define WriteBitGroup(dst,pixel,bits) RRopBitGroup(dst,bits) - -#endif - -static void cfbPolyGlyphBlt8Clipped(); - -#if defined(HAS_STIPPLE_CODE) && !defined(GLYPHROP) && !defined(USE_LEFTBITS) -#define USE_STIPPLE_CODE -#endif - -#if defined(__GNUC__) && !defined(GLYPHROP) && (defined(mc68020) || defined(mc68000) || defined(__mc68000__)) && PSZ == 8 && !defined(USE_LEFTBITS) -#ifdef USE_STIPPLE_CODE -#undef USE_STIPPLE_CODE -#endif -#include "stip68kgnu.h" -#endif - -#if PSZ == 24 -#define DST_INC 3 -#else -#define DST_INC (PGSZB >> PWSH) -#endif - -/* cfbStippleStack/cfbStippleStackTE are coded in assembly language. - * They are only provided on some architecures. - */ -#ifdef USE_STIPPLE_CODE -extern void cfbStippleStack (), cfbStippleStackTE (); -#endif - -void -cfbPolyGlyphBlt8 (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase) - DrawablePtr pDrawable; - GCPtr pGC; - int x, y; - unsigned int nglyph; - CharInfoPtr *ppci; /* array of character info */ - pointer pglyphBase; /* start of array of glyphs */ -{ - register unsigned long c; -#ifndef GLYPHROP - register unsigned long pixel; -#endif - register unsigned long *dst; - register glyphPointer glyphBits; - register int xoff; - - FontPtr pfont = pGC->font; - CharInfoPtr pci; - unsigned long *dstLine; - unsigned long *pdstBase; - int hTmp; - int bwidthDst; - int widthDst; - int h; - int ew; - BoxRec bbox; /* for clipping */ - int widthDiff; - int w; - RegionPtr clip; - BoxPtr extents; -#ifdef USE_LEFTBITS - int widthGlyph; - unsigned long widthMask; -#endif -#ifndef STIPPLE -#ifdef USE_STIPPLE_CODE - void (*stipple)(); - - stipple = cfbStippleStack; - if (FONTCONSTMETRICS(pfont)) - stipple = cfbStippleStackTE; -#endif -#endif - - x += pDrawable->x; - y += pDrawable->y; - - /* compute an approximate (but covering) bounding box */ - bbox.x1 = 0; - if ((ppci[0]->metrics.leftSideBearing < 0)) - bbox.x1 = ppci[0]->metrics.leftSideBearing; - h = nglyph - 1; - w = ppci[h]->metrics.rightSideBearing; - while (--h >= 0) - w += ppci[h]->metrics.characterWidth; - bbox.x2 = w; - bbox.y1 = -FONTMAXBOUNDS(pfont,ascent); - bbox.y2 = FONTMAXBOUNDS(pfont,descent); - - clip = cfbGetCompositeClip(pGC); - extents = &clip->extents; - - if (!clip->data) - { - if (!BOX_CONTAINS(extents, &bbox, x, y)) - { - if (BOX_OVERLAP (extents, &bbox, x, y)) - cfbPolyGlyphBlt8Clipped(pDrawable, pGC, x, y, - nglyph, ppci, pglyphBase); - return; - } - } - else - { - /* check to make sure some of the text appears on the screen */ - if (!BOX_OVERLAP (extents, &bbox, x, y)) - return; - - bbox.x1 += x; - bbox.x2 += x; - bbox.y1 += y; - bbox.y2 += y; - - switch (RECT_IN_REGION(pGC->pScreen, clip, &bbox)) - { - case rgnPART: - cfbPolyGlyphBlt8Clipped(pDrawable, pGC, x, y, - nglyph, ppci, pglyphBase); - case rgnOUT: - return; - } - } - -#ifdef GLYPHROP - cfb8CheckStipple (pGC->alu, pGC->fgPixel, pGC->planemask); -#else - pixel = cfbGetGCPrivate(pGC)->xor; -#endif - - cfbGetTypedWidthAndPointer (pDrawable, bwidthDst, pdstBase, char, unsigned long) - - widthDst = bwidthDst / PGSZB; - while (nglyph--) - { - pci = *ppci++; - glyphBits = (glyphPointer) FONTGLYPHBITS(pglyphBase,pci); - xoff = x + pci->metrics.leftSideBearing; -#if PSZ == 24 - dstLine = pdstBase + (y - pci->metrics.ascent) * widthDst +((xoff>> 2)*3); -#else - dstLine = pdstBase + - (y - pci->metrics.ascent) * widthDst + (xoff >> PWSH); -#endif - x += pci->metrics.characterWidth; - if (hTmp = pci->metrics.descent + pci->metrics.ascent) - { -#if PSZ == 24 - xoff &= 0x03; -#else - xoff &= PIM; -#endif /* PSZ == 24 */ -#ifdef STIPPLE - STIPPLE(dstLine,glyphBits,pixel,bwidthDst,hTmp,xoff); -#else -#ifdef USE_STIPPLE_CODE - (*stipple)(dstLine,glyphBits,pixel,bwidthDst,hTmp,xoff); -#else -#ifdef USE_LEFTBITS - w = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; - widthGlyph = PADGLYPHWIDTHBYTES(w); - widthMask = endtab[w]; -#endif - do { - dst = dstLine; - dstLine = (unsigned long *) (((char *) dstLine) + bwidthDst); - GlyphBits(glyphBits, w, c) - WriteBitGroup(dst, pixel, GetBitGroup(BitRight(c,xoff))); - dst += DST_INC; - c = BitLeft(c,PGSZB - xoff); - while (c) - { - WriteBitGroup(dst, pixel, GetBitGroup(c)); - NextBitGroup(c); - dst += DST_INC; - } - } while (--hTmp); -#endif /* USE_STIPPLE_CODE else */ -#endif /* STIPPLE else */ - } - } -} - -static void -cfbPolyGlyphBlt8Clipped (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase) - DrawablePtr pDrawable; - GCPtr pGC; - int x, y; - unsigned int nglyph; - CharInfoPtr *ppci; /* array of character info */ - unsigned char *pglyphBase; /* start of array of glyphs */ -{ - register unsigned long c; -#ifndef GLYPHROP - register unsigned long pixel; -#endif - register unsigned long *dst; - register glyphPointer glyphBits; - register int xoff; - unsigned long c1; - - CharInfoPtr pci; - FontPtr pfont = pGC->font; - unsigned long *dstLine; - unsigned long *pdstBase; - CARD32 *cTmp, *clips; - int maxAscent, maxDescent; - int minLeftBearing; - int hTmp; - int widthDst; - int bwidthDst; - int ew; - int xG, yG; - BoxPtr pBox; - int numRects; - int widthDiff; - int w; - RegionPtr pRegion; - int yBand; -#ifdef GLYPHROP - unsigned long bits; -#endif -#ifdef USE_LEFTBITS - int widthGlyph; - unsigned long widthMask; -#endif - -#ifdef GLYPHROP - cfb8CheckStipple (pGC->alu, pGC->fgPixel, pGC->planemask); -#else - pixel = cfbGetGCPrivate(pGC)->xor; -#endif - - cfbGetTypedWidthAndPointer (pDrawable, bwidthDst, pdstBase, char, unsigned long) - - widthDst = bwidthDst / PGSZB; - maxAscent = FONTMAXBOUNDS(pfont,ascent); - maxDescent = FONTMAXBOUNDS(pfont,descent); - minLeftBearing = FONTMINBOUNDS(pfont,leftSideBearing); - - pRegion = cfbGetCompositeClip(pGC); - - pBox = REGION_RECTS(pRegion); - numRects = REGION_NUM_RECTS (pRegion); - while (numRects && pBox->y2 <= y - maxAscent) - { - ++pBox; - --numRects; - } - if (!numRects || pBox->y1 >= y + maxDescent) - return; - yBand = pBox->y1; - while (numRects && pBox->y1 == yBand && pBox->x2 <= x + minLeftBearing) - { - ++pBox; - --numRects; - } - if (!numRects) - return; - clips = (CARD32 *)ALLOCATE_LOCAL ((maxAscent + maxDescent) * - sizeof (CARD32)); - while (nglyph--) - { - pci = *ppci++; - glyphBits = (glyphPointer) FONTGLYPHBITS(pglyphBase,pci); - w = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; - xG = x + pci->metrics.leftSideBearing; - yG = y - pci->metrics.ascent; - x += pci->metrics.characterWidth; - if (hTmp = pci->metrics.descent + pci->metrics.ascent) - { -#if PSZ == 24 - dstLine = pdstBase + yG * widthDst + ((xG>> 2)*3); - /* never use (xG*3)>>2 */ -#else - dstLine = pdstBase + yG * widthDst + (xG >> PWSH); -#endif -#if PSZ == 24 - xoff = xG & 3; -#else - xoff = xG & PIM; -#endif -#ifdef USE_LEFTBITS - w = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; - widthGlyph = PADGLYPHWIDTHBYTES(w); - widthMask = endtab[w]; -#endif - switch (cfb8ComputeClipMasks32 (pBox, numRects, xG, yG, w, hTmp, clips)) - { - case rgnPART: -#ifdef USE_LEFTBITS - cTmp = clips; - do { - dst = dstLine; - dstLine = (unsigned long *) (((char *) dstLine) + bwidthDst); - GlyphBits(glyphBits, w, c) - c &= *cTmp++; - if (c) - { - WriteBitGroup(dst, pixel, GetBitGroup(BitRight(c,xoff))); - c = BitLeft(c,PGSZB - xoff); - dst += DST_INC; - while (c) - { - WriteBitGroup(dst, pixel, GetBitGroup(c)); - NextBitGroup(c); - dst += DST_INC; - } - } - } while (--hTmp); - break; -#else /* !USE_LEFT_BITS */ - { - int h; - - h = hTmp; - do - { - --h; - clips[h] = clips[h] & glyphBits[h]; - } while (h); - } - glyphBits = clips; - /* fall through */ -#endif /* USE_LEFT_BITS */ - case rgnIN: -#ifdef STIPPLE - STIPPLE(dstLine,glyphBits,pixel,bwidthDst,hTmp,xoff); -#else -#ifdef USE_STIPPLE_CODE - cfbStippleStackTE(dstLine,glyphBits,pixel,bwidthDst,hTmp,xoff); -#else - do { - dst = dstLine; - dstLine = (unsigned long *) (((char *) dstLine) + bwidthDst); - GlyphBits(glyphBits, w, c) - if (c) - { - /* This code originally could read memory locations - * that were not mapped. Hence we have to check the - * trailing bits to see whether they are zero and if - * then skip them correctly. This is no problem for - * the GXcopy case, since there only the pixels that - * are non-zero are written ... - */ -#ifndef GLYPHROP - WriteBitGroup(dst, pixel, GetBitGroup(BitRight(c,xoff))); - c = BitLeft(c,PGSZB - xoff); - dst += DST_INC; -#else /* GLYPHROP */ - if (bits = GetBitGroup(BitRight(c,xoff))) - WriteBitGroup(dst, pixel, bits); - c = BitLeft(c,PGSZB - xoff); - dst += DST_INC; - - while (c && ((bits = GetBitGroup(c)) == 0)) - { - NextBitGroup(c); - dst += DST_INC; - } -#endif /* GLYPHROP */ - while (c) - { - WriteBitGroup(dst, pixel, GetBitGroup(c)); - NextBitGroup(c); - dst += DST_INC; - } - } - } while (--hTmp); -#endif /* USE_STIPPLE_CODE else */ -#endif /* STIPPLE else */ - break; - } - } - } - DEALLOCATE_LOCAL (clips); -} - -#endif /* FOUR_BIT_CODE */